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Summary of Contents for HSE PLUGSYS TAM-A
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® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 1 H S E H S E OPERATING INSTRUCTIONS for the ® PLUGSYS Module Transducer Amplifier Module TAM Version TAM-A Type 705/1 with bargraph display Version TAM-D Type 705/2 with digital display (Version 1.4 / printet: June 2013 / Hellstab / TB / Zi)
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 3 1 Introduction, manufacturer's details These Operating Instructions describe the function and use of the TAM-A Module Type 705/1 and the TAM-D Module Type 705/2. They are part of the plug-in module and have to be kept close to it. The information provided on the TAM has to be read in conjunction with the remaining system documentation of the PLUGSYS housing.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 4 3 General description, application The transducer amplifier module TAM is equipped, depending on the version, either with analogue (TAM-A) or digital (TAM-D) display. Apar t from a few exceptions, the amplifiers of the two versions are identical.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 5 4.2 Internal settings, jumpers In order to adjust the TAM to the individual application the following settings have to be made with jumpers on the module circuit board. See diagrams next page !
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 6 4.2.2 Location of the jumpers for the internal instrument adjustments DP 705-1/b DP-2 DP-3 DP-4 SLOW - FAST Filter MEAN 0.3Hz 0.1Hz PULSATILE MEAN OUTPUT (front panel) GAIN x1000 POS.1...
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 7 4.2.3 Input configuration of the amplifier (jumper J7) As a first step the operating mode of the input amplifier has to be selected to suit the type of transducer.
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® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 8 The table below provides information on typical amplifier adjustments for standard transduc- ers and applications. Set GAIN on board with Jumper J2 With a known transducer sensitivity (e.g. Isotec transducer 5.05 µV / Volt supply / mm Hg)
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 9 4.2.5 Autozero coupling (jumper J8). Automatic zeroing (autozero) operates digitally with a resolution of 12 bit. This represents an adjustment range of 4096 steps (±2048 steps). Zero adjustment operates directly on the amplifier input so that the zero shift per step depends on the internal resistance of the transducer and on the gain setting.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 10 4.2.9 Setting of the decimal point TAM-D (jumper J1) On TAM-D the decimal point position in the digital display can be freely selected. The indicated value then corresponds exactly of the measuring range which you require. For example, for the range ±10.00 mN the jumper should be set to position DP-3.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 11 5. Controls TAM-A HUGO SACHS ELEKTRONIK D-79232 MARCH GERMANY TAM-A TRANSDUCER AMPLIFIER MODULE LED bargraph 100 % equal to 10V output voltage FILTER (Hz) low pass filter Filter settings...
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 12 5.1 Controls TAM-D HUGO SACHS ELEKTRONIK D-79232 MARCH GERMANY TAM-D TRANSDUCER AMPLIFIER MODULE ADJ. Display range adjustment LED digital display 100 FILTER (Hz) Filter setting Operating mode MEASURE...
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 13 6. Start-up After you have completed the module installation, connected the transducer to the TAM, switch on the power on the housing. The first step is to calibrate the TAM to the transducer. This may involve adjusting the gain of the TAM to suit the transducer sensitivity and the required range.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 14 6.1.2 Transducer calibration TAM-A Easiest calibration can be made with connecting a digital voltmeter to the BNC output on the frontpanel. Brief description in short form (example with a pressure transducer): Wished range 200mmHg: which means 200mmHg should be equal to 10V at the BNC output.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 15 Method 2: Adjustment using a voltmeter on the BNC output This method is possible only when the transducer calibration has been made as an exact voltage of e.g. 5V/100mmHg. Bring the TAM module in operating mode CAL and connect a voltmeter to the BNC signal output.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 16 The next step now is to set the digital display on the TAM-D so that it displays the value in units of use. Here e.g. 100 (mmHg). Apply the calibration reference e.g. 100mmHg again to the transducer and adjust the digital display with the ADJ trimmer so that you get 100 on the display.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 17 Zero compensation ZERO Zero compensation is required to correct the transducer zero without any load on. The output signal of e.g. a Wheatstone bridge without any loading is never exactly zero. Possible causes are manufacturing tolerances in the branch resistances, the effect of position, or slight bridge unbalance through overload or compensation of an applied preload.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 18 Filter 30 - 100 - 300 Hz A low-pass filter is arranged before the pulsatile signal output to smooth the signal wafeform. The filter action can be selected on the FILTER (Hz) switch between 30, 100 and 300 Hz (older version 1, 100and 300 Hz).
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 19 9.2 Technical data TAM Construction PLUGSYS module Input Differential input with an input impedance of 10 Ohm through a 6-pin Binder or Amphenol- Tuchel socket with screw lock. For direct operation of resistive transducers with half-bridge or full-bridge circuit.
® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 21 Reply Form ......Please take a few minutes of your time in order to write to us on any difficulties in understanding the Operating Instructions or in the use of the apparatus. With your feedback you will help to improve our products and the system documentation and make them more user-friendly.
Page 22 Application note: Adaptation of a blood pressure transducer to a PLUGSYS TAM-A module Before using a blood pressure transducer (e.g. APT300, P75…) together with a Transdcuer Amplifier Module TAM-A or TAM-D you have to do some adjustments and to perform a cali- bration.
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® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 23 Back to our example with a range up to 200mmHg. The TAM amplifier has an output voltage of +- 10V. 0% deflection is equal to 0V, 100% deflection on the bargraph is equal to 10V.
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Page 24 Application note: Adaptation of a force transducer to a PLUGSYS TAM-A module Before using a force transducer (e.g. F10, F30 or K30, K100, K1000) together with a Transdcuer Amplifier Module TAM-A or TAM-D you have to do some adjustments and to per- form a calibration.
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® HSE PLUGSYS TAM-A Type 705/1 and TAM-D Type 705/2 Page 25 Back to our example with a range up to 10g. The TAM amplifier has an output voltage of +- 10V. 0% deflection is equal to 0V, 100% deflection on the bargraph is equal to 10V.
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